Finding the Fourth Proportional to 4,144,995.60, 6,188,348.09 and 3,167,242.80
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Solution
The fourth proportional to 4,144,995.60, 6,188,348.09 and 3,167,242.80 is: 4,728,593.90
Step by Step Solution
- Step 1: Write the proportion equation
4,144,995.60 : 6,188,348.09 = 3,167,242.80 : x - Step 2: Convert to fraction form
4,144,995.60/6,188,348.09 = 3,167,242.80/x - Step 3: Cross multiply
4,144,995.60x = 6,188,348.09 × 3,167,242.80 - Step 4: Simplify right side
4,144,995.60x = 19,600,000,916,110.04 - Step 5: Solve for x
x = 19,600,000,916,110.04/4,144,995.60 - Step 6: Final answer
x = 4,728,593.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.